"I will never lose to anyone when it comes to loving music," Shizuka vowed, leaving her quiet mountain village for Tokyo to enter the world of enka. She becomes an apprentice under Rina Fukuda, a renowned and powerful enka singer. Despite enduring grueling daily chores, Shizuka truly cherishes being close to Rina. But one day, Rina's true nature is revealed—her well-known secret as a lesbian in the industry. Shizuka is deeply shaken by this hidden side of her mentor, and driven by a desire to understand, she ventures into Rina's private room when she is alone... What is enka? What is vocal mastery? To answer these questions, Shizuka begins walking a new path.